1. First, draw a large rectangular pattern, and then add a straight line and a small rectangular text box on its four sides.

2. Continue to add oval or round text boxes outside the small rectangular text boxes. Students here can also adjust the number of text boxes according to their own needs.

3. Add some symbols and patterns related to mathematics, such as Arabic numerals, geometric patterns and so on, in the remaining blank space on the paper.

4. Color the text box of the mind map with different colors such as orange, red, blue and pink to make the text box stand out in the picture.

5. Paint the remaining patterns with different colors according to your own preferences. The colors that can be used here are yellow, green, blue and so on.

6. Finally, draw some straight lines in the text box of the mind map, so that a simple and beautiful mathematical mind map is completed.